| A & R Way Limited | Manufacturing | 2014 |
| A Grier Optometry Ltd | Health & social care | 2019 |
| A J C Civils Ltd | Construction | 2004 |
| A Mckellar (Grocers) Ltd | Wholesale & retail | 2025 |
| A Peden Contracting Limited | Agriculture & fishing | 2024 |
| A.M.S. Construction (Scotland) Ltd | Construction | 2014 |
| Ace School of Motoring Ltd | Education | 2025 |
| Achamore (Scotland) Limited | Hospitality | 2020 |
| AJB Contracting Solutions Ltd | Other services | 2016 |
| Alastair Aitken Limited | Extraterritorial | 2024 |
| ALL OUT Transport Ltd | Transport & logistics | 2024 |
| Allt Dearg Educational Trust | Health & social care | 2013 |
| Amek Joinery Ltd | Construction | 2022 |
| APE Solutions Ltd | Manufacturing | 2006 |
| Ardrishaig Community Trust | Other services | 2008 |
| Ardrishaig Renewable Energies Limited | Energy | 2010 |
| Arduaine Farm Services Ltd | Construction | 2003 |
| Argyll & Bute Consultants Ltd | Financial services | 2011 |
| Argyll Aroma Ltd | Hospitality | 2025 |
| Argyll Gift Co Ltd | Wholesale & retail | 2002 |
| Argyll Heating Ltd | Construction | 2004 |
| Argyll Manufacturing Solutions Limited | Professional & scientific | 2013 |
| Argyll Wealth Consultants Limited | Financial services | 2003 |
| Arlin Ltd | Real estate | 2024 |
| Ashley Accounting Services Ltd | Professional & scientific | 2021 |
| Autopoint Larkhall Limited | Wholesale & retail | 2008 |
| B. Mundell Holdings Limited | Financial services | 2020 |
| Backwoodsman Engineering Ltd | Wholesale & retail | 2010 |
| Bake With TAN Ltd | Hospitality | 2025 |
| Balinakill Country House Holidays Limited | Other services | 2016 |
| Balinakill Country House Weddings & Events Limited | Other services | 2016 |
| Baravalla Limited | Other services | 2015 |
| Barbreck Joinery & Construction Ltd | Construction | 2010 |
| Barfad Farmlands Limited | Agriculture & fishing | 2025 |
| Barmore Farm Holidays Limited | Hospitality | 1984 |
| Beckshall Ltd | Real estate | 2025 |
| Beechleaves Limited | Information & communication | 2011 |
| Bluebell Beds Ltd | Real estate | 2022 |
| Boathouse (Gigha) Ltd | Hospitality | 2025 |
| C & J Shellfish Limited | Agriculture & fishing | 2007 |
| C R Shellfish Limited | Agriculture & fishing | 2021 |
| C&A Prentice Shellfish Limited | Agriculture & fishing | 2015 |
| Caledonia Drilling Limited | Construction | 2021 |
| Caledonia Market Research Ltd | Professional & scientific | 2003 |
| Caledonia Marketing Solutions Ltd | Professional & scientific | 2015 |
| Caledonia Trawlers Ltd | Agriculture & fishing | 2002 |
| Cardrona Fishings Limited | Agriculture & fishing | 2009 |
| Celsius Windows Ltd | Construction | 2009 |
| Clachan Filling Station Ltd | Wholesale & retail | 2011 |
| Claonaig Estate Limited | Agriculture & fishing | 2007 |
| Claonaig Limited | Professional & scientific | 2023 |
| CMK Groundworks Ltd | Construction | 2020 |
| CN Vehicle Services Ltd | Wholesale & retail | 2016 |
| Corranbuie Contracts Ltd | Construction | 2022 |
| Creelers Pride Fishing Ltd | Agriculture & fishing | 2016 |
| D2 Leslie Ltd | Health & social care | 2015 |
| Dalgarven House Limited | Hospitality | 2016 |
| Dalriada Consultancy Limited | Health & social care | 2018 |
| Destiny Fishing Limited | Agriculture & fishing | 2025 |
| DJC Property Lettings Ltd | Real estate | 2024 |
| Doheny Destination Marketing Ltd | Information & communication | 2012 |
| Duncan Macgregor Joiners & Builders Ltd | Construction | 2003 |
| Dunrostan Ltd | Real estate | 2010 |
| East Loch Shellfish Ltd | Wholesale & retail | 2022 |
| Eilean DHU Ltd | Real estate | 2013 |
| Elegance Fishing LLP | | 2017 |
| Eskview FRY Ltd | Wholesale & retail | 2020 |
| Ethel Walker Ltd | Arts & recreation | 2003 |
| Ethical JOB Seeker Limited | Administrative & support | 2020 |
| Family Therapy Training Network | Education | 2012 |
| Feamainn Ltd | Extraterritorial | 2020 |
| Ferguson Catering Ltd | Hospitality | 2024 |
| Frances Macdonald Ltd | Arts & recreation | 2005 |
| Frasers Waste Management Ltd | Water & waste | 2020 |
| Fresh Connection (Kintyre) Ltd | Hospitality | 2024 |
| Fyne Design Architecture Ltd | Professional & scientific | 2023 |
| Fyne Towing Ltd | Wholesale & retail | 2025 |
| Fyngall Limited | Wholesale & retail | 2015 |
| GAZ Group Ltd | Construction | 2024 |
| GBF04 Limited | Administrative & support | 2015 |
| GC Palmer Ltd | Manufacturing | 2022 |
| Glasgow Islay Services Limited | Transport & logistics | 1990 |
| Glass Engraving Limited | Wholesale & retail | 2024 |
| Glenbarr Stores Limited | Wholesale & retail | 2015 |
| Goldsworthy Consulting Ltd | Professional & scientific | 2003 |
| Goldwells (Argyll) Ltd | Professional & scientific | 2013 |
| Grant Developments Ltd | Construction | 2013 |
| Green Developments (Argyll) Limited | Hospitality | 1999 |
| Harvest Reaper Ltd | Agriculture & fishing | 2004 |
| HGS Building Services Ltd | Construction | 2019 |
| Hiha Limited | Real estate | 2017 |
| Home,Garden and Sea Ltd | Agriculture & fishing | 2026 |
| Hugs of Argyll Ltd | Health & social care | 2024 |
| I.T. Signalling Ltd | Professional & scientific | 2023 |
| ID Smith Property Ltd | Real estate | 2024 |
| Islay Crab Exports (Distribution) Limited | Transport & logistics | 2020 |
| Islay Crab Exports Ltd | Wholesale & retail | 2003 |
| Islay Whisky Vault Ltd | Wholesale & retail | 2022 |
| Isle of Harris Property Services Ltd | Administrative & support | 2025 |
| J & C Prentice Shellfish Ltd | Wholesale & retail | 2003 |